/* ============================================================
   AQUATRACK RESERVOIR — Dashboard Stylesheet
   Palette: #0D152F #484D5F #8A95A4 #6CCAE8 #A98E1F #E8EAEC
   ============================================================ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg:      #0D152F;
  --bg2:     #111d3a;
  --card:    #152040;
  --sb:      #484D5F;
  --sb2:     #3d4254;
  --accent:  #6CCAE8;
  --gold:    #A98E1F;
  --text:    #E8EAEC;
  --muted:   #8A95A4;
  --border:  rgba(138,149,164,0.18);
  --danger:  #d95555;
  --success: #4cad78;
  --warning: #c9a520;
  --shadow:  0 4px 24px rgba(0,0,0,0.35);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* ── SCROLLBAR ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── LOGIN ─────────────────────────────────────────────────── */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at 40% 40%, #1a2a50 0%, var(--bg) 70%);
}

.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 44px 40px;
  width: 370px;
  text-align: center;
  box-shadow: var(--shadow);
}

.login-logo { width: 52px; margin-bottom: 14px; }

.login-brand {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--text);
}

.login-sub {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 32px;
}

.login-hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 14px;
  padding: 8px 12px;
  background: rgba(108,202,232,0.06);
  border-radius: 6px;
  border: 1px solid rgba(108,202,232,0.12);
}

.login-error {
  font-size: 12px;
  color: var(--danger);
  margin-top: 8px;
  display: none;
}

/* ── FORM ELEMENTS ─────────────────────────────────────────── */
.form-group { margin-bottom: 14px; text-align: left; }

.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 9px 13px;
  color: var(--text);
  font-size: 13.5px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group select option { background: var(--card); }

.form-group textarea { resize: vertical; min-height: 80px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.form-section-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 7px;
  border: none;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s;
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary { background: var(--accent); color: var(--bg); }
.btn-primary:hover { background: #5ab5d0; }

.btn-secondary {
  background: rgba(138,149,164,0.12);
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: rgba(138,149,164,0.2); color: var(--text); }

.btn-danger {
  background: rgba(217,85,85,0.12);
  color: var(--danger);
  border: 1px solid rgba(217,85,85,0.25);
}
.btn-danger:hover { background: rgba(217,85,85,0.22); }

.btn-gold {
  background: rgba(169,142,31,0.12);
  color: var(--gold);
  border: 1px solid rgba(169,142,31,0.25);
}
.btn-gold:hover { background: rgba(169,142,31,0.22); }

.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-xs { padding: 3px 9px; font-size: 11px; border-radius: 5px; }

/* ── APP LAYOUT ────────────────────────────────────────────── */
#app { display: none; height: 100vh; overflow: hidden; }

.layout { display: flex; height: 100vh; }

/* ── SIDEBAR ───────────────────────────────────────────────── */
.sidebar {
  width: 224px;
  background: var(--sb);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-header {
  padding: 18px 18px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  flex-shrink: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo img { width: 30px; }

.sb-brand-name {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--text);
  line-height: 1.1;
}

.sb-brand-sub {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 2.5px;
  color: var(--accent);
  text-transform: uppercase;
  margin-top: 1px;
}

.sidebar-hotel {
  margin-top: 12px;
  padding: 8px 10px;
  background: rgba(0,0,0,0.2);
  border-radius: 6px;
  font-size: 11px;
  color: rgba(232,234,236,0.65);
  line-height: 1.4;
}

.sidebar-hotel strong {
  display: block;
  color: var(--text);
  font-size: 12px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 10px 0;
}

.nav-group-label {
  font-size: 9.5px;
  font-weight: 700;
  color: rgba(232,234,236,0.35);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 10px 18px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 18px;
  color: rgba(232,234,236,0.65);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  border-left: 3px solid transparent;
  user-select: none;
}

.nav-item i { font-size: 15px; width: 18px; flex-shrink: 0; }

.nav-item:hover { background: rgba(255,255,255,0.06); color: var(--text); }

.nav-item.active {
  background: rgba(108,202,232,0.1);
  color: var(--accent);
  border-left-color: var(--accent);
}

.nav-badge {
  margin-left: auto;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 9px;
  background: var(--danger);
  color: #fff;
}

.nav-badge-gold {
  background: var(--gold);
  color: #fff;
}

.sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid rgba(255,255,255,0.07);
  flex-shrink: 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 10px;
}

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
}

.user-name { font-size: 13px; font-weight: 600; color: var(--text); }
.user-role { font-size: 11px; color: var(--muted); }

.btn-logout {
  width: 100%;
  background: rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.07);
  color: var(--muted);
  padding: 6px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}
.btn-logout:hover { background: rgba(0,0,0,0.35); color: var(--text); }

/* ── MAIN ──────────────────────────────────────────────────── */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.topbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 22px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.topbar-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.topbar-desc {
  font-size: 11px;
  color: var(--muted);
  margin-top: 1px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.live-dot-green { background: var(--success); animation: blink 2s infinite; }
.live-dot-red   { background: var(--danger); }
.live-dot-gold  { background: var(--gold); animation: blink 1.5s infinite; }

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.35} }

.topbar-clock { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }

#page-content { flex: 1; overflow-y: auto; padding: 22px; }

/* ── STAT CARDS ────────────────────────────────────────────── */
.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
}

.stat-card-label {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.stat-card-label i { font-size: 13px; }

.stat-card-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  margin-bottom: 5px;
  letter-spacing: -0.5px;
}

.stat-card-value.accent { color: var(--accent); }
.stat-card-value.gold   { color: var(--gold);   }
.stat-card-value.danger { color: var(--danger);  }
.stat-card-value.success{ color: var(--success); }

.stat-card-sub { font-size: 11.5px; color: var(--muted); }

/* ── CARDS ─────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* ── GRID HELPERS ──────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.grid-13{ display: grid; grid-template-columns: 1fr 2fr; gap: 16px; }
.grid-31{ display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.grid-21{ display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }
.col-span-4 { grid-column: span 4; }

.mb-4  { margin-bottom: 4px; }
.mb-8  { margin-bottom: 8px; }
.mb-14 { margin-bottom: 14px; }
.mb-18 { margin-bottom: 18px; }
.mt-12 { margin-top: 12px; }
.mt-18 { margin-top: 18px; }

/* ── PAGE HEADER ───────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}

.page-header h2 { font-size: 20px; font-weight: 800; color: var(--text); }
.page-header p  { font-size: 12.5px; color: var(--muted); margin-top: 2px; }

/* ── TABLES ────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }

thead th {
  text-align: left;
  padding: 7px 12px;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr { border-bottom: 1px solid var(--border); transition: background 0.12s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,0.025); }

tbody td {
  padding: 9px 12px;
  color: var(--text);
  vertical-align: middle;
}

.td-muted { color: var(--muted); font-size: 12px; }
.td-mono  { font-family: monospace; font-size: 12px; color: var(--muted); }

/* ── BADGES ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}

.badge-success { background: rgba(76,173,120,0.15); color: var(--success); }
.badge-danger  { background: rgba(217,85,85,0.15);  color: var(--danger);  }
.badge-warning { background: rgba(169,142,31,0.15); color: var(--gold);    }
.badge-accent  { background: rgba(108,202,232,0.15);color: var(--accent);  }
.badge-muted   { background: rgba(138,149,164,0.12);color: var(--muted);   }

/* ── TABS ──────────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}

.tab {
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.15s;
}

.tab:hover:not(.active) { color: var(--text); }

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── ALERTS ────────────────────────────────────────────────── */
.alert-list { display: flex; flex-direction: column; gap: 8px; }

.alert-item {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 11px 13px;
  border-radius: 8px;
  background: var(--bg2);
  border: 1px solid var(--border);
}

.alert-icon {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.alert-icon-warn    { background: rgba(169,142,31,0.15);  color: var(--gold);    }
.alert-icon-danger  { background: rgba(217,85,85,0.15);   color: var(--danger);  }
.alert-icon-info    { background: rgba(108,202,232,0.15); color: var(--accent);  }
.alert-icon-success { background: rgba(76,173,120,0.15);  color: var(--success); }

.alert-body { flex: 1; min-width: 0; }
.alert-title { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.alert-desc  { font-size: 12px; color: var(--muted); }

.alert-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

.alert-time { font-size: 11px; color: var(--muted); white-space: nowrap; }

/* ── MODAL ─────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(2px);
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 26px;
  width: 500px;
  max-width: 94vw;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
  animation: slideUp 0.2s ease;
}

.modal-wide { width: 640px; }

@keyframes slideUp { from{transform:translateY(20px);opacity:0} to{transform:translateY(0);opacity:1} }

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ── TOAST ─────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 11px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  border-left: 3px solid;
  box-shadow: var(--shadow);
  animation: toastIn 0.2s ease;
  background: var(--card);
  color: var(--text);
  max-width: 320px;
}

@keyframes toastIn { from{transform:translateX(30px);opacity:0} to{transform:translateX(0);opacity:1} }

.toast-success { border-color: var(--success); }
.toast-danger  { border-color: var(--danger);  }
.toast-info    { border-color: var(--accent);  }
.toast-warning { border-color: var(--gold);    }

/* ── TOGGLE ────────────────────────────────────────────────── */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
}
.toggle-row:last-child { border-bottom: none; }
.toggle-left { flex: 1; min-width: 0; padding-right: 16px; }
.toggle-label { font-size: 13px; font-weight: 500; color: var(--text); }
.toggle-desc  { font-size: 11.5px; color: var(--muted); margin-top: 2px; }

.toggle { position: relative; width: 38px; height: 21px; flex-shrink: 0; }
.toggle input { display: none; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.3);
  border-radius: 21px;
  cursor: pointer;
  transition: background 0.2s;
  border: 1px solid var(--border);
}

.toggle-slider::after {
  content: '';
  position: absolute;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--muted);
  top: 2px;
  left: 2px;
  transition: all 0.2s;
}

.toggle input:checked + .toggle-slider {
  background: rgba(108,202,232,0.18);
  border-color: var(--accent);
}

.toggle input:checked + .toggle-slider::after {
  transform: translateX(17px);
  background: var(--accent);
}

/* ── PROGRESS BAR ──────────────────────────────────────────── */
.progress-bg {
  height: 5px;
  background: var(--bg);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 6px;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--accent);
  transition: width 0.4s ease;
}

.progress-fill-gold    { background: var(--gold);    }
.progress-fill-danger  { background: var(--danger);  }
.progress-fill-success { background: var(--success); }
.progress-fill-accent  { background: var(--accent);  }

/* ── SENSOR VALUE CARD ─────────────────────────────────────── */
.sensor-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.sensor-icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.s-level   { background: rgba(108,202,232,0.12); color: var(--accent); }
.s-flow    { background: rgba(76,173,120,0.12);  color: var(--success);}
.s-pressure{ background: rgba(169,142,31,0.12);  color: var(--gold);   }
.s-quality { background: rgba(108,202,232,0.1);  color: #9be0f4;       }

.sensor-info { flex: 1; min-width: 0; }
.sensor-name { font-size: 12px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.sensor-location { font-size: 11px; color: var(--muted); }
.sensor-reading { font-size: 20px; font-weight: 800; color: var(--text); }
.sensor-unit { font-size: 11px; color: var(--muted); }

.sensor-status { flex-shrink: 0; text-align: right; }

/* ── WEATHER WIDGET ────────────────────────────────────────── */
.weather-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.weather-item:last-child { border-bottom: none; }
.weather-day { color: var(--muted); font-size: 12px; }
.weather-temp { font-weight: 700; color: var(--text); }
.weather-icon { font-size: 16px; }

/* ── SENSOR LIVE GRID ──────────────────────────────────────── */
.sensor-live-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px;
}

/* ── CHART CONTAINER ───────────────────────────────────────── */
.chart-wrap { position: relative; }

/* ── GAUGE ─────────────────────────────────────────────────── */
.gauge-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

.gauge-center-label {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  pointer-events: none;
}

.gauge-pct {
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}

.gauge-sub { font-size: 11px; color: var(--muted); margin-top: 2px; }

/* ── PREDICTION RESULT ─────────────────────────────────────── */
.pred-result {
  background: rgba(108,202,232,0.06);
  border: 1px solid rgba(108,202,232,0.18);
  border-radius: 10px;
  padding: 18px;
  margin-top: 16px;
}

.pred-result-title { font-size: 12px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 14px; }

.pred-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }

.pred-item { text-align: center; }
.pred-val { font-size: 22px; font-weight: 800; color: var(--text); }
.pred-lbl { font-size: 11px; color: var(--muted); margin-top: 3px; }

/* ── DIVIDER ───────────────────────────────────────────────── */
.divider { height: 1px; background: var(--border); margin: 18px 0; }

/* ── INLINE STATUS ─────────────────────────────────────────── */
.status-row { display: flex; align-items: center; gap: 6px; }

/* ── NOTIFICATION CHANNEL ICONS ────────────────────────────── */
.ch-icon {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 600;
  margin-right: 3px;
}
.ch-email   { background: rgba(108,202,232,0.12); color: var(--accent); }
.ch-sms     { background: rgba(169,142,31,0.12);  color: var(--gold);   }
.ch-whatsapp{ background: rgba(76,173,120,0.12);  color: var(--success);}

/* ── EMPTY STATE ───────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
}
.empty-state i { font-size: 36px; margin-bottom: 12px; display: block; opacity: 0.4; }
.empty-state p { font-size: 13px; }